PPARA and depressive disorder: A structured literature search was conducted in PubMed/MEDLINE, Google Scholar, Scopus, Embase, and Web of Science databases using the following search terms: ‘depressive disorder’, ‘GLP-1 agonists’, ‘SGLT2 inhibitors’, ‘PPARα agonists’, ‘ARBs’, ‘ARNIs’, and ‘metabolic diseases’.